Day 25 of Birds of a feather. Here's some denizens of the Messel Shale, a flock of Messelornis joined by a Propalaeotherium, while a Masillaraptor spies them nearby, and a pair of Messelirrisor sit on a branch.

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Day 20 of Ants from Hell: And here's a pair of hell ants Haidomyrmodes greeting each other on the worker trail.

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Day 16 of Spinosauridae: River Dragons! Irritator being a river dragon. Tropeognathus is here too. Cladocyclus is being eaten.

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Day 9 of Rise of the goniopholidids, and a Calsoyasuchus is in hot pursuit of a Prosalirus while a Scutellosaurus looks on.

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' Day 6: Autumn with Smilosuchus, and a Smilosuchus gregorii is about to get a rude awakening from a shedding ginkgo tree.

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